# ============================================================
# NFS Server (内建模式)
# 集群内自建 NFS Server，数据持久化到 local-path PV
#
# ⚠️ 注意: OrbStack/Mac 桌面 K8s 环境不支持此方式，请使用外部 NFS Server
#
# 如使用外部 NFS Server，跳过此文件，直接部署 nfs-subdir-provisioner.yaml
# ============================================================
---
apiVersion: v1
kind: Namespace
metadata:
  name: nfs-storage
---
apiVersion: v1
kind: Service
metadata:
  name: nfs-server
  namespace: nuwax-nfs-storage
spec:
  clusterIP: None
  selector:
    app: nfs-server
  ports:
  - name: nfs
    port: 2049
    targetPort: 2049
  - name: mountd
    port: 20048
    targetPort: 20048
  - name: rpcbind
    port: 111
    targetPort: 111
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: nfs-server
  namespace: nuwax-nfs-storage
spec:
  serviceName: nfs-server
  replicas: 1
  selector:
    matchLabels:
      app: nfs-server
  template:
    metadata:
      labels:
        app: nfs-server
    spec:
      # 亲和性: NFS Server 调度到有 local-path 存储的节点
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: kubernetes.io/hostname
                operator: Exists
      containers:
      - name: nfs-server
        image: itsthenetwork/nfs-server-alpine:latest
        env:
        - name: SHARED_DIRECTORY
          value: "/exports"
        - name: SYNC
          value: "true"
        ports:
        - name: nfs
          containerPort: 2049
          protocol: TCP
        - name: mountd
          containerPort: 20048
          protocol: TCP
        - name: rpcbind
          containerPort: 111
          protocol: TCP
        securityContext:
          runAsUser: 0
        resources:
          requests:
            cpu: "100m"
            memory: "128Mi"
          limits:
            cpu: "500m"
            memory: "512Mi"
        volumeMounts:
        - name: nfs-data
          mountPath: /exports
      volumes:
      - name: nfs-data
        persistentVolumeClaim:
          claimName: nfs-server-pvc
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: nfs-server-pvc
  namespace: nuwax-nfs-storage
  labels:
    app: nfs-server
spec:
  accessModes: ["ReadWriteOnce"]
  storageClassName: local-path
  resources:
    requests:
      storage: 100Gi